.main{
    .header{
    height: 80px;
    background: rgba(0,0,0,.8);
    .logo{
        float: left;
    }
    .mod_nav{
        float: left;
        height: 80px;
        line-height: 80px;
        font-size: 18px;
        li{
            float: left;
            a{
                display: inline-block;
                height: 80px;
                line-height: 80px;
                padding: 0 15px;
                color: #fff;
                &:hover{
                    color: #31c27c;
                }
            }
            .index{
                    color: rgb(35, 180, 91);
            }
        }
    }
    .mod_identity{
        float: right;
        height: 80px;
        line-height: 80px;
        span{
            color: #fff;
        }
        & a:nth-child(2) {
            display: inline-block;
            height: 30px;
            margin-top: 0;
            line-height: 30px;
            font-size: 14px;
            padding-left: 12px;
            padding-right: 12px;
            border-radius: 30px;
            background-color: #31c27c;
            color: #fff;
            margin-left: 10px;
        }
        & a:nth-child(3) {
            display: inline-block;
            height: 30px;
            margin-top: 0;
            line-height: 26px;
            font-size: 14px;
            padding-left: 12px;
            padding-right: 12px;
            border-radius: 30px;
            color: #31c27c;
            border: 2px solid #31c27c;
            margin-left: 10px;
        }
    }
}
.mod_banner{
    height: 900px;
    background: url(../img/banner_thumb_1.jpg);
    text-align: center;
    position: relative;
    // line-height: 900px;
   .banner_show_content{
    width: 500px;
    height: 234px;
    // background-color: red;
    position: absolute;
    left: 50%;
    top: 50%;
    width: 500px;
    margin-left: -250px;
    margin-top: -50px;
    h2{
        // color: #fff;
        background: url(../img/精灵图.png) no-repeat 0 0 ;
        // position: absolute;
        // left: 0;
        // top: 0;
        width: 500px;
        height: 104px;
        // font-size: 50px;
        
    }
    p{
        // width: 300px;
        height: 33px;
        background: url(../img/精灵图.png)no-repeat -17px -298px;
        // background-size: 20% 20%;
    }
    a{
        display: block;
    width: 320px;
    height: 64px;
    line-height: 64px;
    font-size: 34px;
    text-align: center;
    margin: 0 auto;
    border-radius: 99px;
    background-color: #31c27c;
    color: #fff;
    overflow: hidden;
    margin-top: 20px;
    }
   }
    .banner_show_nav{
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 164px;
    background: rgba(0,0,0,.1);
    }
    .banner_show_nav{
        & a:nth-child(1){
            float: left;
            background: url(../img/精灵图.png) no-repeat -837px -17px;
            width: 300px;
            height: 100px;
            margin-top: 15px;
        }
        & a:nth-child(2){
            float: left;
            background: url(../img/精灵图.png) no-repeat -509px -117px;
            width: 300px;
            height: 100px;
            color: #707070;
            margin-top: 15px;
            opacity: .4;
            transition: .5s all;
            &:hover{
                opacity: 1;
            }
        }
        & a:nth-child(3){
            color: #707070;
            float: left;
            background: url(../img/精灵图.png) no-repeat -546px -216px;
            width: 300px;
            height: 100px;
            margin-top: 15px;
            opacity: .4;
            transition: .5s all;
            &:hover{
                opacity: 1;
            }
        }
    }
    
}
.mod_feature{
    height: 1100px;
    .feature_bg{
        height: 740px;
        background: url(../img/feature_thumb_1.jpg);
    }
    .feature_intro{
    padding-top: 40px;
    height: 400px;
    z-index: 20;
    }
    h2{
        margin: 0 auto 25px;
        width: 460px;
        height: 60px;
        background: url(../img/精灵图2.png) no-repeat -29px -308px;
    }
    p{
        margin: 0 auto 0;
        width: 740px;
        height: 60px;
        background: url(../img/精灵图2.png)no-repeat -36px -7px;
    }
    ul{
        text-align: center;
        li{
            display: inline-block;
            margin: 0 10px;
            width: 150px;
            text-align: center;
            color: #aaa;
            a{
                .panle{
                    margin: 0 auto;
                    display: block;
                    width: 100px;
                    height: 100px;
                }
                .icon{
                    
                    background: url(../img/精灵图2.png)no-repeat -410px -500px;
                }
                .icon1{
                    background: url(../img/精灵图2.png)no-repeat -3px -603px;
                }
                .icon2{
                    background: url(../img/精灵图2.png)no-repeat -106px -600px;
                }
            }
        }
    }
}
.mod_feature1{
    height: 1100px;
    .feature_bg1{
        height: 740px;
        background: url(../img/feature_thumb_2.jpg);
    }
    .feature_intro1{
    padding-top: 40px;
    height: 400px;
    z-index: 20;
    }
    h2{
        margin: 0 auto 25px;
        width: 460px;
        height: 60px;
        background: url(../img/精灵图2.png) no-repeat -37px -374px;
    }
    p{
        margin: 0 auto 0;
        width: 740px;
        height: 60px;
        background: url(../img/精灵图2.png)no-repeat -27px -69px;
    }
    ul{
        text-align: center;
        li{
            display: inline-block;
            margin: 0 10px;
            width: 150px;
            text-align: center;
            color: #aaa;
            a{
                .panle{
                    margin: 0 auto;
                    display: block;
                    width: 100px;
                    height: 100px;
                }
                .icon1{
                    
                    background: url(../img/精灵图2.png)no-repeat -201px -606px;
                }
                .icon2{
                    
                    background: url(../img/精灵图2.png)no-repeat -307px -603px;
                }
                .icon3{
                    
                    background: url(../img/精灵图2.png)no-repeat -5px -497px;
                }
                .icon4 {
                    
                    background: url(../img/精灵图2.png)no-repeat -106px -500px;
                }
            }
        }
    }
}
.mod_feature2{
    height: 1100px;
    .feature_bg2{
        height: 740px;
        background: url(../img/feature_thumb_3.jpg);
    }
    .feature_intro2{
    padding-top: 40px;
    height: 400px;
    z-index: 20;
    }
    h2{
        margin: 0 auto 25px;
        width: 460px;
        height: 60px;
        background: url(../img/精灵图2.png) no-repeat -6px -433px;
    }
    p{
        margin: 0 auto 0;
        width: 740px;
        height: 60px;
        background: url(../img/精灵图2.png)no-repeat -10px -130px;
    }
    ul{
        text-align: center;
        li{
            display: inline-block;
            margin: 0 10px;
            width: 150px;
            text-align: center;
            color: #aaa;
            a{
                .panle{
                    margin: 0 auto;
                    display: block;
                    width: 100px;
                    height: 100px;
                }
                .icon1{
                    
                    background: url(../img/精灵图2.png)no-repeat -406px -600px;
                }
                .icon2{
                    
                    background: url(../img/精灵图2.png)no-repeat -311px -498px;
                }
                .icon3{
                    
                    background: url(../img/精灵图2.png)no-repeat -203px -500px;
                }
            }
        }
    }
}
.mod_feature3{
    height: 1100px;
    .feature_bg3{
        height: 740px;
        background: url(../img/feature_thumb_4.jpg);
    }
    .feature_intro3{
    padding-top: 40px;
    height: 400px;
    z-index: 20;
    }
    h2{
        margin: 0 auto 25px;
        width: 460px;
        height: 60px;
        background: url(../img/精灵图2.png) no-repeat -5px -244px;
    }
    p{
        margin: 0 auto 0;
        width: 740px;
        height: 60px;
        background: url(../img/精灵图2.png)no-repeat -10px -185px;
    }
    ul{
        text-align: center;
        li{
            display: inline-block;
            margin: 0 10px;
            width: 150px;
            text-align: center;
            color: #aaa;
            a{
                .icon1{
                    margin: 0 auto;
                    display: block;
                    width: 100px;
                    height: 100px;
                    background: url(../img/精灵图2.png)no-repeat -512px -500px;
                }
                .icon2{
                    margin: 0 auto;
                    display: block;
                    width: 100px;
                    height: 100px;
                    background: url(../img/精灵图2.png)no-repeat -612px -500px;
                }
            }
        }
    }
}
}
.mod_tool_bar{
    position: fixed;
    width: 44px;
    height: 272px;
    padding-top: 54px;
    border-radius: 22px;
    right: 50px;
    top: 90px;
    background-color: rgba(0,0,0,.2);
    li{
         padding: 12px 7px;
        height: 54px;
    }
    & li:nth-child(1){
        a{
            display: block;
            height: 30px;
            background: url(../img/精灵图3.png) no-repeat -49px -249px;
        }
    }
    & li:nth-child(2){
        a{
            display: block;
            height: 30px;
            background: url(../img/精灵图3.png) no-repeat -113px -246px;
        }
    }
    & li:nth-child(3){
        a{
            display: block;
            height: 30px;
            background: url(../img/精灵图3.png) no-repeat -144px -246px;
        }
    }
}
